Belt buckle



FIG. 1 is a right perspective view of an ornamental design for a beltbuckle showing my new design.

FIG. 2 is a front view thereof.

FIG. 3 is a back view thereof.

FIG. 4 is a right side view thereof.

FIG. 5 is a left side view thereof; and,

FIG. 6 is a top view thereof, wherein the bottom view is a mirror imageof the top view.

The broken line drawing in FIG. 1 is for the purpose of illustrating abelt and forms no part of the claimed design.

CLAIM The ornamental design for a belt buckle, as shown and described.